S
M
T
W
T
F
S
28
84°
56°
29
90°
67°
30
91°
74°
1
93°
77°
2
92°
73°
3
90°
70°
4
82°
68°
5
77°
66°
6
82°
59°
7
85°
53°
8
87°
61°
9
84°
68°
10
82°
64°
11
82°
62°
12
83°
56°
13
90°
60°
14
96°
69°
15
95°
68°
16
87°
62°
17
90°
73°
18
85°
59°
19
85°
59°
20
88°
62°
21
82°
55°
22
77°
54°
23
80°
57°
24
82°
58°
25
83°
58°
26
82°
60°
27
83°
61°
28
82°
60°
29
81°
59°
30
77°
56°
31
78°
61°
1
77°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in St. Louis
St. Louis's July 2026 forecast shows daily high temperatures ranging from 77° to 90°, with overnight lows between 54° and 73°. The average high for July is 82° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in St. Louis. See also: August | September | October.
